/*
- * (C) Copyright 2007
+ * (C) Copyright 2007-2008
* Larry Johnson, lrj@acm.org
*
- * (C) Copyright 2006
+ * (C) Copyright 2006-2008
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* (C) Copyright 2006
* Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
- * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
+ * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
*/
#include <common.h>
-#include <asm/processor.h>
-#include <asm-ppc/io.h>
#include <i2c.h>
#include <ppc440.h>
+#include <asm/gpio.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/bitops.h>
DECLARE_GLOBAL_DATA_PTR;
-extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
ulong flash_get_size(ulong base, int banknum);
int board_early_init_f(void)
{
u32 sdr0_pfc1, sdr0_pfc2;
- u32 gpio0_ir;
u32 reg;
int eth;
mtdcr(ebccfga, xbcfg);
mtdcr(ebccfgd, 0xb8400000);
- /*--------------------------------------------------------------------
- * Setup the GPIO pins
- *
- * Korat GPIO usage:
- *
- * Init.
- * Pin Source I/O value Function
- * ------ ------ --- ----- ---------------------------------
- * GPIO00 Alt1 I/O x PerAddr07
- * GPIO01 Alt1 I/O x PerAddr06
- * GPIO02 Alt1 I/O x PerAddr05
- * GPIO03 GPIO x x GPIO03 to expansion bus connector
- * GPIO04 GPIO x x GPIO04 to expansion bus connector
- * GPIO05 GPIO x x GPIO05 to expansion bus connector
- * GPIO06 Alt1 O x PerCS1 (2nd NOR flash)
- * GPIO07 Alt1 O x PerCS2 (CPLD)
- * GPIO08 Alt1 O x PerCS3 to expansion bus connector
- * GPIO09 Alt1 O x PerCS4 to expansion bus connector
- * GPIO10 Alt1 O x PerCS5 to expansion bus connector
- * GPIO11 Alt1 I x PerErr
- * GPIO12 GPIO O 0 ATMega !Reset
- * GPIO13 GPIO O 1 SPI Atmega !SS
- * GPIO14 GPIO O 1 Write protect EEPROM #1 (0xA8)
- * GPIO15 GPIO O 0 CPU Run LED !On
- * GPIO16 Alt1 O x GMC1TxD0
- * GPIO17 Alt1 O x GMC1TxD1
- * GPIO18 Alt1 O x GMC1TxD2
- * GPIO19 Alt1 O x GMC1TxD3
- * GPIO20 Alt1 O x RejectPkt0
- * GPIO21 Alt1 O x RejectPkt1
- * GPIO22 GPIO I x PGOOD_DDR
- * GPIO23 Alt1 O x SCPD0
- * GPIO24 Alt1 O x GMC0TxD2
- * GPIO25 Alt1 O x GMC0TxD3
- * GPIO26 GPIO? I/O x IIC0SDA (selected in SDR0_PFC4)
- * GPIO27 GPIO O 0 PHY #0 1000BASE-X
- * GPIO28 GPIO O 0 PHY #1 1000BASE-X
- * GPIO29 GPIO I x Test jumper !Present
- * GPIO30 GPIO I x SFP module #0 !Present
- * GPIO31 GPIO I x SFP module #1 !Present
- *
- * GPIO32 GPIO O 1 SFP module #0 Tx !Enable
- * GPIO33 GPIO O 1 SFP module #1 Tx !Enable
- * GPIO34 Alt2 I x !UART1_CTS
- * GPIO35 Alt2 O x !UART1_RTS
- * GPIO36 Alt1 I x !UART0_CTS
- * GPIO37 Alt1 O x !UART0_RTS
- * GPIO38 Alt2 O x UART1_Tx
- * GPIO39 Alt2 I x UART1_Rx
- * GPIO40 Alt1 I x IRQ0 (Ethernet 0)
- * GPIO41 Alt1 I x IRQ1 (Ethernet 1)
- * GPIO42 Alt1 I x IRQ2 (PCI interrupt)
- * GPIO43 Alt1 I x IRQ3 (System Alert from CPLD)
- * GPIO44 xxxx x x (grounded through pulldown)
- * GPIO45 GPIO O 0 PHY #0 Enable
- * GPIO46 GPIO O 0 PHY #1 Enable
- * GPIO47 GPIO I x Reset switch !Pressed
- * GPIO48 GPIO I x Shutdown switch !Pressed
- * GPIO49 xxxx x x (reserved for trace port)
- * . . . . .
- * . . . . .
- * . . . . .
- * GPIO63 xxxx x x (reserved for trace port)
- *-------------------------------------------------------------------*/
-
- out_be32((u32 *) GPIO0_OR, 0x00060000);
- out_be32((u32 *) GPIO1_OR, 0xC0000000);
-
- out_be32((u32 *) GPIO0_OSRL, 0x54055400);
- out_be32((u32 *) GPIO0_OSRH, 0x55015000);
- out_be32((u32 *) GPIO1_OSRL, 0x02180000);
- out_be32((u32 *) GPIO1_OSRH, 0x00000000);
-
- out_be32((u32 *) GPIO0_TSRL, 0x54055500);
- out_be32((u32 *) GPIO0_TSRH, 0x00015000);
- out_be32((u32 *) GPIO1_TSRL, 0x00000000);
- out_be32((u32 *) GPIO1_TSRH, 0x00000000);
-
- out_be32((u32 *) GPIO0_TCR, 0x000FF0D8);
- out_be32((u32 *) GPIO1_TCR, 0xD6060000);
-
- out_be32((u32 *) GPIO0_ISR1L, 0x54000100);
- out_be32((u32 *) GPIO0_ISR1H, 0x00500000);
- out_be32((u32 *) GPIO1_ISR1L, 0x00405500);
- out_be32((u32 *) GPIO1_ISR1H, 0x00000000);
-
- out_be32((u32 *) GPIO0_ISR2L, 0x00000000);
- out_be32((u32 *) GPIO0_ISR2H, 0x00000000);
- out_be32((u32 *) GPIO1_ISR2L, 0x04010000);
- out_be32((u32 *) GPIO1_ISR2H, 0x00000000);
-
- out_be32((u32 *) GPIO0_ISR3L, 0x00000000);
- out_be32((u32 *) GPIO0_ISR3H, 0x00000000);
- out_be32((u32 *) GPIO1_ISR3L, 0x00000000);
- out_be32((u32 *) GPIO1_ISR3H, 0x00000000);
-
- /*--------------------------------------------------------------------
+ /*
* Setup the interrupt controller polarities, triggers, etc.
- *-------------------------------------------------------------------*/
+ */
mtdcr(uic0sr, 0xffffffff); /* clear all */
mtdcr(uic0er, 0x00000000); /* disable all */
mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
/* Configure the two Ethernet PHYs. For each PHY, configure for fiber
* if the SFP module is present, and for copper if it is not present.
*/
- gpio0_ir = in_be32((u32 *) GPIO0_IR);
for (eth = 0; eth < 2; ++eth) {
- if (gpio0_ir & (0x00000001 << (1 - eth))) {
+ if (gpio_read_in_bit(CFG_GPIO_SFP0_PRESENT_ + eth)) {
/* SFP module not present: configure PHY for copper. */
/* Set PHY to autonegotate 10 MB, 100MB, or 1 GB */
out_8((u8 *) CFG_CPLD_BASE + 0x06,
} else {
/* SFP module present: configure PHY for fiber and
enable output */
- out_be32((u32 *) GPIO0_OR, in_be32((u32 *) GPIO0_OR) |
- (0x00000001 << (4 - eth)));
- out_be32((u32 *) GPIO1_OR, in_be32((u32 *) GPIO1_OR) &
- ~(0x00000001 << (31 - eth)));
+ gpio_write_bit(CFG_GPIO_PHY0_FIBER_SEL + eth, 1);
+ gpio_write_bit(CFG_GPIO_SFP0_TX_EN_ + eth, 0);
}
}
/* enable Ethernet: set GPIO45 and GPIO46 to 1 */
- out_be32((u32 *) GPIO1_OR, in_be32((u32 *) GPIO1_OR) | 0x00060000);
+ gpio_write_bit(CFG_GPIO_PHY0_EN, 1);
+ gpio_write_bit(CFG_GPIO_PHY1_EN, 1);
/* select Ethernet pins */
mfsdr(SDR0_PFC1, sdr0_pfc1);
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
- SDR0_PFC1_SELECT_CONFIG_4;
+ SDR0_PFC1_SELECT_CONFIG_4;
mfsdr(SDR0_PFC2, sdr0_pfc2);
sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
- SDR0_PFC2_SELECT_CONFIG_4;
+ SDR0_PFC2_SELECT_CONFIG_4;
mtsdr(SDR0_PFC2, sdr0_pfc2);
mtsdr(SDR0_PFC1, sdr0_pfc1);
}
}
-/*---------------------------------------------------------------------------+
- | misc_init_r.
- +---------------------------------------------------------------------------*/
int misc_init_r(void)
{
uint pbcr;
unsigned long sdr0_pfc1;
char *act = getenv("usbact");
- /*
- * FLASH stuff...
- */
-
- /* Re-do sizing to get full correct info */
+ /* Re-do flash sizing to get full correct info */
/* adjust flash start and offset */
gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
mtdcr(ebccfga, pb0cr);
pbcr = mfdcr(ebccfgd);
- switch (gd->bd->bi_flashsize) {
- case 1 << 20:
- size_val = 0;
- break;
- case 2 << 20:
- size_val = 1;
- break;
- case 4 << 20:
- size_val = 2;
- break;
- case 8 << 20:
- size_val = 3;
- break;
- case 16 << 20:
- size_val = 4;
- break;
- case 32 << 20:
- size_val = 5;
- break;
- case 64 << 20:
- size_val = 6;
- break;
- case 128 << 20:
- size_val = 7;
- break;
- }
+ size_val = ffs(gd->bd->bi_flashsize) - 21;
pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
mtdcr(ebccfga, pb0cr);
mtdcr(ebccfgd, pbcr);
&flash_info[0]);
/* Env protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET,
- CFG_ENV_ADDR_REDUND,
+ (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
CFG_ENV_ADDR_REDUND + 2 * CFG_ENV_SECT_SIZE - 1,
&flash_info[0]);
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mfsdr(SDR0_USB2H0CR, usb2h0cr);
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_WDINT_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1 */
-
- /* An 8-bit/60MHz interface is the only possible alternative
- when connecting the Device to the PHY */
- usb2h0cr = usb2h0cr & ~SDR0_USB2H0CR_WDINT_MASK;
- usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1 */
-
- /* To enable the USB 2.0 Device function through the UTMI interface */
- usb2d0cr = usb2d0cr & ~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
- usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION; /*1 */
-
- sdr0_pfc1 = sdr0_pfc1 & ~SDR0_PFC1_UES_MASK;
- sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; /*0 */
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
+
+ /*
+ * An 8-bit/60MHz interface is the only possible alternative
+ * when connecting the Device to the PHY
+ */
+ usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
+ usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
+
+ /*
+ * To enable the USB 2.0 Device function
+ * through the UTMI interface
+ */
+ usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
+ usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;
+
+ sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
+ sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;
mtsdr(SDR0_PFC1, sdr0_pfc1);
mtsdr(SDR0_USB2D0CR, usb2d0cr);
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mtsdr(SDR0_USB2H0CR, usb2h0cr);
- /*clear resets */
+ /* clear resets */
udelay(1000);
mtsdr(SDR0_SRST1, 0x00000000);
udelay(1000);
/*-------------------PATCH-------------------------------*/
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1 */
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
udelay(1000);
mfsdr(SDR0_USB2D0CR, usb2d0cr);
mfsdr(SDR0_PFC1, sdr0_pfc1);
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_WDINT_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; /*0 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; /*0 */
- usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; /*0 */
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
+ usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;
- usb2h0cr = usb2h0cr & ~SDR0_USB2H0CR_WDINT_MASK;
- usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; /*0 */
+ usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
+ usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
- usb2d0cr = usb2d0cr & ~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
- usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; /*0 */
+ usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
+ usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;
- sdr0_pfc1 = sdr0_pfc1 & ~SDR0_PFC1_UES_MASK;
- sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL; /*1 */
+ sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
+ sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;
mtsdr(SDR0_USB2H0CR, usb2h0cr);
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mtsdr(SDR0_USB2D0CR, usb2d0cr);
mtsdr(SDR0_PFC1, sdr0_pfc1);
- /*clear resets */
+ /* clear resets */
udelay(1000);
mtsdr(SDR0_SRST1, 0x00000000);
udelay(1000);
printf("USB: Device(int phy)\n");
}
- mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
+ mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
mtsdr(SDR0_SRST1, reg);
{
char const *const s = getenv("serial#");
u8 const rev = in_8((u8 *) CFG_CPLD_BASE + 0);
- u32 const gpio0_or = in_be32((u32 *) GPIO0_OR);
printf("Board: Korat, Rev. %X", rev);
if (s != NULL)
printf(", serial# %s", s);
printf(", Ethernet PHY 0: ");
- if (gpio0_or & 0x00000010)
+ if (gpio_read_out_bit(CFG_GPIO_PHY0_FIBER_SEL))
printf("fiber");
else
printf("copper");
printf(", PHY 1: ");
- if (gpio0_or & 0x00000008)
+ if (gpio_read_out_bit(CFG_GPIO_PHY1_FIBER_SEL))
printf("fiber");
else
printf("copper");
}
#endif /* defined(CFG_DRAM_TEST) */
-/*************************************************************************
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
+/*
+ * pci_pre_init
*
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
+ * This routine is called just prior to registering the hose and gives
+ * the board the opportunity to check things. Returning a value of zero
+ * indicates that things are bad & PCI initialization should be aborted.
*
- ************************************************************************/
+ * Different boards may wish to customize the pci controller structure
+ * (add regions, override default access routines, etc) or perform
+ * certain pre-initialization actions.
+ */
#if defined(CONFIG_PCI)
int pci_pre_init(struct pci_controller *hose)
{
unsigned long addr;
- /*-------------------------------------------------------------------------+
- | Set priority for all PLB3 devices to 0.
- | Set PLB3 arbiter to fair mode.
- +-------------------------------------------------------------------------*/
+ /*
+ * Set priority for all PLB3 devices to 0.
+ * Set PLB3 arbiter to fair mode.
+ */
mfsdr(sdr_amp1, addr);
mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
addr = mfdcr(plb3_acr);
mtdcr(plb3_acr, addr | 0x80000000);
- /*-------------------------------------------------------------------------+
- | Set priority for all PLB4 devices to 0.
- +-------------------------------------------------------------------------*/
+ /*
+ * Set priority for all PLB4 devices to 0.
+ */
mfsdr(sdr_amp0, addr);
mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
mtdcr(plb4_acr, addr);
- /*-------------------------------------------------------------------------+
- | Set Nebula PLB4 arbiter to fair mode.
- +-------------------------------------------------------------------------*/
+ /*
+ * Set Nebula PLB4 arbiter to fair mode.
+ */
/* Segment0 */
addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
}
#endif /* defined(CONFIG_PCI) */
-/*************************************************************************
- * pci_target_init
- *
- * The bootstrap configuration provides default settings for the pci
- * inbound map (PIM). But the bootstrap config choices are limited and
- * may not be sufficient for a given board.
+/*
+ * pci_target_init
*
- ************************************************************************/
+ * The bootstrap configuration provides default settings for the pci
+ * inbound map (PIM). But the bootstrap config choices are limited and
+ * may not be sufficient for a given board.
+ */
#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
void pci_target_init(struct pci_controller *hose)
{
- /*--------------------------------------------------------------------------+
+ /*
* Set up Direct MMIO registers
- *--------------------------------------------------------------------------*/
- /*--------------------------------------------------------------------------+
- | PowerPC440EPX PCI Master configuration.
- | Map one 1Gig range of PLB/processor addresses to PCI memory space.
- | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
- | Use byte reversed out routines to handle endianess.
- | Make this region non-prefetchable.
- +--------------------------------------------------------------------------*/
- out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
+ */
+ /*
+ * PowerPC440EPX PCI Master configuration.
+ * Map one 1Gig range of PLB/processor addresses to PCI memory space.
+ * PLB address 0xA0000000-0xDFFFFFFF
+ * ==> PCI address 0xA0000000-0xDFFFFFFF
+ * Use byte reversed out routines to handle endianess.
+ * Make this region non-prefetchable.
+ */
+ out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */
+ /* - disabled b4 setting */
out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
- out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
+ out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
- out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
+ out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, */
+ /* and enable region */
- out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
- out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
- out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
+ out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute */
+ /* - disabled b4 setting */
+ out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
+ out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
- out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
+ out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, */
+ /* and enable region */
out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
- out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
- out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
- out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
+ out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
+ out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
+ out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
- /*--------------------------------------------------------------------------+
+ /*
* Set up Configuration registers
- *--------------------------------------------------------------------------*/
+ */
/* Program the board's subsystem id/vendor id */
pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
- /*--------------------------------------------------------------------------+
- * Set up Configuration registers for on-board NEC uPD720101 USB controller
- *--------------------------------------------------------------------------*/
+ /*
+ * Set up Configuration registers for on-board NEC uPD720101 USB
+ * controller.
+ */
pci_write_config_dword(PCI_BDF(0x0, 0xC, 0x0), 0xE4, 0x00000020);
}
#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
-/*************************************************************************
- * pci_master_init
- *
- ************************************************************************/
#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
void pci_master_init(struct pci_controller *hose)
{
unsigned short temp_short;
- /*--------------------------------------------------------------------------+
- | Write the PowerPC440 EP PCI Configuration regs.
- | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
- | Enable PowerPC440 EP to act as a PCI memory target (PTM).
- +--------------------------------------------------------------------------*/
+ /*
+ * Write the PowerPC440 EP PCI Configuration regs.
+ * Enable PowerPC440 EP to be a master on the PCI bus (PMM).
+ * Enable PowerPC440 EP to act as a PCI memory target (PTM).
+ */
pci_read_config_word(0, PCI_COMMAND, &temp_short);
pci_write_config_word(0, PCI_COMMAND,
temp_short | PCI_COMMAND_MASTER |
}
#endif
-/*************************************************************************
- * is_pci_host
- *
- * This routine is called to determine if a pci scan should be
- * performed. With various hardware environments (especially cPCI and
- * PPMC) it's insufficient to depend on the state of the arbiter enable
- * bit in the strap register, or generic host/adapter assumptions.
- *
- * Rather than hard-code a bad assumption in the general 440 code, the
- * 440 pci code requires the board to decide at runtime.
+/*
+ * is_pci_host
*
- * Return 0 for adapter mode, non-zero for host (monarch) mode.
+ * This routine is called to determine if a pci scan should be
+ * performed. With various hardware environments (especially cPCI and
+ * PPMC) it's insufficient to depend on the state of the arbiter enable
+ * bit in the strap register, or generic host/adapter assumptions.
*
+ * Rather than hard-code a bad assumption in the general 440 code, the
+ * 440 pci code requires the board to decide at runtime.
*
- ************************************************************************/
+ * Return 0 for adapter mode, non-zero for host (monarch) mode.
+ */
#if defined(CONFIG_PCI)
int is_pci_host(struct pci_controller *hose)
{
/* Korat is always configured as host. */
return (1);
}
-#endif
+#endif /* defined(CONFIG_PCI) */
#if defined(CONFIG_POST)
/*
*/
int post_hotkeys_pressed(void)
{
- return 0; /* No hotkeys supported */
+ return 0; /* No hotkeys supported */
}
-#endif
+#endif /* CONFIG_POST */